An insect growth regulator (IGR) is a substance (chemical) that inhibits the life cycle of an insect. IGRs are typically used to control populations of harmful pests, such as cockroaches or fleas.n insect growth regulator (IGR) is a substance (chemical) that inhibits the life cycle of an insect. IGRs are typically used to control populations of harmful pests, such as cockroaches or fleas.
Diet and supplementation are essential to the bone growing process. Including real, whole foods in your diet such as plentiful vegetables, fruits, nuts, cold-water fatty fish like salmon, and legumes. Plus, cutting out highly processed and sugary foods will provide your bones with what they need.
Evidence is now emerging of the importance of eating zinc to help fight adult acne. Zinc helps your body repair itself and is vital for skin renewal, giving you a fresher complexion. Foods rich in zinc include red meat, oysters and nuts. Alternatively, you can take a zinc supplement every day.